package com.atguigu.rabbitmq.eight;

import com.atguigu.rabbitmq.utils.RabbitMqUtils;
import com.rabbitmq.client.BuiltinExchangeType;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.DeliverCallback;

import java.util.HashMap;
import java.util.Map;

/**
 * @author: like
 * @Date: 2021/07/19 7:10
 */
public class Consumer01 {

    //普通交换机的名称
    public static final String NORMAL_EXCHANGE = "normal_exchange";
    //死信交换机的名称
    public static final String DEAD_EXCHANGE = "dead_exchange";
    //普通队列的名称
    public static final String NORMAL_QUEUE = "normal_queue";
    //死信队列的名称
    public static final String DEAD_QUEUE = "dead_queue";


    public static void main(String[] args) throws Exception {
        Channel channel = RabbitMqUtils.getChannel();

        //声明死信和普通交换机 类型为direct
        channel.exchangeDeclare(NORMAL_EXCHANGE, BuiltinExchangeType.DIRECT);
        channel.exchangeDeclare(DEAD_EXCHANGE, BuiltinExchangeType.DIRECT);


        //声明死信队列
        channel.queueDeclare(DEAD_QUEUE, false, false, false, null);
        //绑定死信的交换机与死信的队列
        channel.queueBind(DEAD_QUEUE, DEAD_EXCHANGE, "lisi");

        //声明普通队列
        Map<String, Object> arguments = new HashMap<>();
        //正常队列设置死信交换机
        arguments.put("x-dead-letter-exchange", DEAD_EXCHANGE);
        //设置死信RoutingKey
        arguments.put("x-dead-letter-routing-key", "lisi");
        channel.queueDeclare(NORMAL_QUEUE, false, false, false, arguments);
        //绑定普通的交换机与普通的队列
        channel.queueBind(NORMAL_QUEUE, NORMAL_EXCHANGE, "zhangsan");


        System.out.println("等待接收消息........... ");

        //接收消息
        DeliverCallback deliverCallback = (consumerTag, delivery) -> {
            String message = new String(delivery.getBody(), "UTF-8");
            if(message.equalsIgnoreCase("info5")){
                System.out.println("Consumer01拒绝接收到的消息是：" +message );
                //requeue 设置为 false 代表拒绝重新入队 该队列如果配置了死信交换机将发送到死信队列中
                channel.basicReject(delivery.getEnvelope().getDeliveryTag(),false);
            }else{
                System.out.println("Consumer01接收到的消息是：" +message );
                channel.basicAck(delivery.getEnvelope().getDeliveryTag(),false);
            }
        };
        //手动确认
        channel.basicConsume(NORMAL_QUEUE, false, deliverCallback, consumerTag -> {
        });
    }

}
